:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--bg: #07101f;--bg-soft: #0b1629;--panel: rgba(15, 27, 48, .88);--panel-strong: #101d33;--panel-light: #15243d;--border: rgba(148, 163, 184, .18);--border-strong: rgba(148, 163, 184, .32);--text: #eef5ff;--muted: #a9b7ca;--muted-2: #718096;--blue: #60a5fa;--blue-strong: #3b82f6;--cyan: #22d3ee;--violet: #a78bfa;--amber: #fbbf24;--green: #34d399;--red: #fb7185;--shadow: 0 22px 60px rgba(0, 0, 0, .28);--radius: 22px;--radius-small: 14px}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;min-width:320px;min-height:100vh;color:var(--text);background:radial-gradient(circle at 14% 0%,rgba(59,130,246,.14),transparent 32rem),radial-gradient(circle at 90% 12%,rgba(167,139,250,.09),transparent 30rem),linear-gradient(180deg,#07101f,#081222 46%,#070d19)}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button,a{color:inherit}::selection{background:#60a5fa59}.app-shell{min-height:100vh}.page-width{width:min(1180px,calc(100% - 40px));margin-inline:auto}.page-stack{display:flex;flex-direction:column;gap:28px;padding-top:58px;padding-bottom:90px}.section-block{padding-top:78px}.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:74px;padding:12px max(20px,calc((100vw - 1180px)/2));border-bottom:1px solid rgba(148,163,184,.12);background:#07101fd1;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:12px;padding:0;border:0;background:transparent;cursor:pointer;text-align:left}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border:1px solid rgba(96,165,250,.42);border-radius:13px;background:linear-gradient(145deg,#3b82f647,#22d3ee1a);box-shadow:inset 0 1px #ffffff1f;color:#dbeafe;font-weight:850;letter-spacing:-.04em}.brand>span:last-child{display:flex;flex-direction:column;gap:1px}.brand strong{font-size:.98rem;letter-spacing:-.01em}.brand small{color:var(--muted-2);font-size:.7rem;font-weight:700;letter-spacing:.13em}.nav{display:flex;align-items:center;gap:4px}.nav-link{padding:9px 12px;border:0;border-radius:10px;background:transparent;color:var(--muted);cursor:pointer;font-size:.88rem;font-weight:650;transition:.16s ease}.nav-link:hover{color:var(--text);background:#94a3b814}.nav-link.active{color:#dbeafe;background:#3b82f624;box-shadow:inset 0 0 0 1px #60a5fa29}.menu-button{display:none;padding:9px 13px;border:1px solid var(--border);border-radius:11px;background:var(--panel);cursor:pointer}.hero{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.72fr);gap:50px;align-items:center;min-height:650px;padding-top:54px}.hero-copy h1{max-width:800px;margin:12px 0 22px;font-size:clamp(2.7rem,6vw,5.7rem);line-height:.98;letter-spacing:-.065em}.hero-copy>p{max-width:720px;margin:0;color:var(--muted);font-size:clamp(1rem,1.9vw,1.23rem);line-height:1.72}.eyebrow{display:inline-flex;color:#86bdfd;font-size:.73rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;border-radius:12px;text-decoration:none;cursor:pointer;font-weight:750;transition:.16s ease}.button:hover{transform:translateY(-1px)}.button.primary{border:1px solid rgba(96,165,250,.42);background:linear-gradient(135deg,#2563eb,#0284c7);color:#fff;box-shadow:0 12px 32px #2563eb3b}.button.secondary{border:1px solid var(--border-strong);background:#0f1b30b8;color:var(--text)}.button.ghost{min-height:39px;border:1px solid var(--border);background:#94a3b80f;color:#cbd5e1;font-size:.86rem}.hero-note{max-width:680px;margin-top:30px;padding:14px 16px;border-left:3px solid var(--amber);border-radius:0 12px 12px 0;background:#fbbf2412;color:#cbd5e1;font-size:.86rem;line-height:1.55}.hero-panel{position:relative;overflow:hidden;padding:25px;border:1px solid var(--border);border-radius:26px;background:linear-gradient(145deg,#162642fa,#0a1426f5);box-shadow:var(--shadow)}.hero-panel:before{content:"";position:absolute;width:180px;height:180px;top:-90px;right:-70px;border-radius:50%;background:#3b82f61f;filter:blur(2px)}.hero-panel-label{position:relative;margin-bottom:12px;color:var(--muted-2);font-size:.72rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.priority-row{position:relative;display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:start;padding:18px 0;border-bottom:1px solid rgba(148,163,184,.12)}.priority-row div{display:flex;flex-direction:column;gap:5px}.priority-row strong{line-height:1.35}.priority-row small{color:var(--muted);line-height:1.45}.text-link{display:inline-flex;gap:7px;align-items:center;margin-top:18px;padding:0;border:0;background:transparent;color:#93c5fd;cursor:pointer;font-weight:750}.text-link:hover{color:#bfdbfe}.section-header{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}.section-header>div:first-child{max-width:830px}.section-header h1{margin:8px 0 0;font-size:clamp(2rem,4vw,3.55rem);line-height:1.06;letter-spacing:-.047em}.section-header p{max-width:760px;margin:14px 0 0;color:var(--muted);font-size:1rem;line-height:1.68}.section-action{flex:0 0 auto}.panel{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);box-shadow:0 15px 45px #00000024}.section-panel{padding:26px}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:22px}.panel-heading h2{margin:7px 0 0;font-size:1.65rem;letter-spacing:-.035em}.panel-heading p{margin:7px 0 0;color:var(--muted)}.forecast-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.forecast-card{display:flex;flex-direction:column;min-height:100%;padding:24px;border:1px solid var(--border);border-radius:19px;background:linear-gradient(150deg,#13223bf0,#0a1528eb)}.forecast-card h3{margin:17px 0 10px;font-size:1.3rem;line-height:1.3;letter-spacing:-.025em}.forecast-card>p{margin:0;color:var(--muted);line-height:1.64}.forecast-header,.card-topline{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.confidence{color:var(--muted-2);font-size:.73rem;font-weight:750;text-transform:uppercase;letter-spacing:.08em}.forecast-subline{margin-top:18px;padding-top:16px;border-top:1px solid rgba(148,163,184,.13);color:#cbd5e1;line-height:1.5}.clean-list{display:flex;flex-direction:column;gap:8px;margin:17px 0 0;padding:0;list-style:none}.clean-list li{position:relative;padding-left:17px;color:var(--muted);line-height:1.5}.clean-list li:before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;background:var(--blue)}.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}.tag,.topic-badge,.focus-badge,.reconstructed-badge,.muted-label{display:inline-flex;align-items:center;min-height:25px;padding:4px 9px;border-radius:999px;font-size:.7rem;font-weight:750}.tag,.topic-badge,.muted-label{border:1px solid rgba(148,163,184,.14);background:#94a3b812;color:#b8c4d4}.focus-badge{border:1px solid rgba(52,211,153,.2);background:#34d39917;color:#6ee7b7}.reconstructed-badge{border:1px solid rgba(251,191,36,.2);background:#fbbf2417;color:#fde68a}.part-badge{display:inline-grid;place-items:center;min-width:42px;height:27px;padding:0 9px;border-radius:9px;font-size:.72rem;font-weight:900;letter-spacing:.04em}.part-c1{color:#ddd6fe;background:#8b5cf629;border:1px solid rgba(167,139,250,.24)}.part-c2{color:#fde68a;background:#f59e0b21;border:1px solid rgba(251,191,36,.22)}.part-g1{color:#a7f3d0;background:#10b98121;border:1px solid rgba(52,211,153,.22)}.exercise-preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.preview-card{display:flex;flex-direction:column;min-height:250px;padding:22px;border:1px solid var(--border);border-radius:18px;background:#0e1a2fb8;transition:.17s ease}.preview-card:hover{transform:translateY(-3px);border-color:#60a5fa4d;background:#112039d6}.preview-card h3{margin:18px 0 10px;font-size:1.15rem;letter-spacing:-.025em}.preview-card p{display:-webkit-box;overflow:hidden;margin:0;color:var(--muted);line-height:1.58;-webkit-box-orient:vertical;-webkit-line-clamp:4}.preview-card .text-link{margin-top:auto;padding-top:18px}.two-column-callout{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;margin-top:88px;margin-bottom:95px;padding:38px;border:1px solid rgba(96,165,250,.16);border-radius:25px;background:linear-gradient(135deg,#2563eb17,#0f1b30bd)}.two-column-callout h2{margin:10px 0 13px;font-size:2rem;letter-spacing:-.04em}.two-column-callout p{margin:0;color:var(--muted);line-height:1.68}.micro-checklist{display:flex;flex-direction:column;gap:10px}.micro-checklist div{display:grid;grid-template-columns:32px 1fr;gap:12px;align-items:center;padding:11px 13px;border:1px solid rgba(148,163,184,.12);border-radius:12px;background:#050d1a57;color:#d3deeb}.micro-checklist span{display:grid;place-items:center;width:27px;height:27px;border-radius:9px;background:#3b82f626;color:#93c5fd;font-size:.77rem;font-weight:850}.source-warning{display:grid;grid-template-columns:40px 1fr;gap:15px;padding:18px 20px;border:1px solid rgba(251,191,36,.25);border-radius:16px;background:#784a081a}.warning-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#fbbf2424;color:#fde68a;font-weight:900}.source-warning p{margin:5px 0 0;color:var(--muted);line-height:1.55}.ranking-table{display:flex;flex-direction:column}.ranking-head,.ranking-row{display:grid;grid-template-columns:70px 1.2fr 1fr 1fr;gap:16px;align-items:center;padding:14px 12px}.ranking-head{color:var(--muted-2);font-size:.7rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.ranking-row{border-top:1px solid rgba(148,163,184,.12);color:var(--muted);line-height:1.45}.ranking-row strong{color:var(--text)}.table-scroll{overflow-x:auto;scrollbar-color:rgba(148,163,184,.3) transparent}.evidence-table,.simulation-table{width:100%;border-collapse:collapse}.evidence-table{min-width:1180px}.evidence-table th,.evidence-table td,.simulation-table th,.simulation-table td{padding:13px 12px;border-bottom:1px solid rgba(148,163,184,.12);text-align:left;vertical-align:top}.evidence-table th,.simulation-table th{position:sticky;top:0;background:#101d33;color:#94a3b8;font-size:.7rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.evidence-table td{color:#b9c6d5;font-size:.83rem;line-height:1.45}.evidence-table tbody tr:hover{background:#94a3b809}.table-link{color:#c7d8ed;text-decoration:none}.table-link:hover{color:#93c5fd}.reported-row{background:#fbbf240d}.reported-row td:first-child small{display:block;margin-top:3px;color:#fcd34d;font-size:.65rem}.logic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.logic-card{padding:22px;border:1px solid var(--border);border-radius:18px;background:#0d192ec2}.logic-card>span{font-size:.7rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase}.logic-card.positive>span{color:#6ee7b7}.logic-card.neutral>span{color:#93c5fd}.logic-card.caution>span{color:#fde68a}.logic-card h3{margin:13px 0 9px;font-size:1.1rem;line-height:1.4}.logic-card p{margin:0;color:var(--muted);line-height:1.58}.pattern-groups{display:flex;flex-direction:column;gap:28px}.pattern-group{padding:26px;border:1px solid var(--border);border-radius:24px;background:#0c172ab8}.pattern-group-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.pattern-group-heading h2{margin:0;font-size:1.5rem;letter-spacing:-.035em}.pattern-group-heading>span{color:var(--muted-2);font-size:.75rem;font-weight:750}.pattern-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.pattern-card{padding:20px;border:1px solid rgba(148,163,184,.12);border-radius:16px;background:#050d1a52}.pattern-card h3{margin:0 0 16px;font-size:1.08rem}.pattern-line{display:grid;grid-template-columns:88px 1fr;gap:12px;padding:10px 0;border-top:1px solid rgba(148,163,184,.1)}.pattern-line>span{color:var(--muted-2);font-size:.69rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.pattern-line p{margin:0;color:var(--muted);line-height:1.52}.pattern-checks{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.pattern-checks span{padding:5px 8px;border-radius:8px;background:#94a3b812;color:#b8c4d4;font-size:.7rem;font-weight:700}.accent-violet{border-top-color:#a78bfaa6}.accent-amber{border-top-color:#fbbf24a6}.accent-cyan{border-top-color:#22d3eea6}.accent-green{border-top-color:#34d399a6}.derivation-panel{display:grid;grid-template-columns:.75fr 1.25fr;gap:28px;align-items:center;padding:28px}.derivation-panel h2{margin:8px 0 0;font-size:1.7rem;letter-spacing:-.04em}.derivation-panel pre{overflow-x:auto;margin:0;padding:19px;border:1px solid rgba(148,163,184,.13);border-radius:15px;background:#07101e;color:#c9d6e5;font:.88rem/1.7 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.filters{display:grid;grid-template-columns:minmax(250px,1.4fr) minmax(120px,.5fr) minmax(190px,.75fr) auto;gap:14px;align-items:end;padding:18px}.filters label,.simulator-controls label,.preset-buttons{display:flex;flex-direction:column;gap:7px}.filters label>span,.simulator-controls label>span,.preset-buttons>span{color:var(--muted-2);font-size:.7rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.filters input,.filters select,.simulator-controls input{width:100%;min-height:43px;padding:9px 12px;border:1px solid var(--border);border-radius:11px;outline:none;background:#050d1ab3;color:var(--text)}.filters input:focus,.filters select:focus,.simulator-controls input:focus{border-color:#60a5fa8c;box-shadow:0 0 0 3px #3b82f61a}.toggle-label{flex-direction:row!important;align-items:center;min-height:43px;padding:9px 12px;border:1px solid var(--border);border-radius:11px;background:#050d1a80;cursor:pointer}.toggle-label input{width:17px;min-height:auto;accent-color:var(--blue-strong)}.toggle-label span{color:#cbd5e1!important;font-size:.78rem!important;letter-spacing:0!important;text-transform:none!important}.result-line{display:flex;align-items:baseline;gap:6px;color:var(--muted)}.result-line strong{color:var(--text);font-size:1.2rem}.result-line span{margin-left:auto;color:var(--muted-2);font-size:.82rem}.exercise-list{display:flex;flex-direction:column;gap:14px}.exercise-card{overflow:hidden;border:1px solid var(--border);border-radius:19px;background:#0d192ec2;transition:.16s ease}.exercise-card[open]{border-color:#60a5fa42;box-shadow:0 22px 55px #0000002e}.exercise-card summary{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;padding:22px;cursor:pointer;list-style:none}.exercise-card summary::-webkit-details-marker{display:none}.exercise-summary-main h2{margin:14px 0 8px;font-size:1.25rem;letter-spacing:-.03em}.exercise-summary-main>p{max-width:900px;margin:0;color:var(--muted);line-height:1.55}.exercise-summary-side{display:flex;flex-direction:column;align-items:flex-end;gap:11px}.details-label{display:inline-flex;padding:6px 9px;border-radius:8px;background:#3b82f61a;color:#93c5fd;font-size:.72rem;font-weight:750}.exercise-card[open] .details-label:before{content:"Chiudi";font-size:0}.difficulty{display:flex;gap:4px}.difficulty i{width:6px;height:15px;border-radius:99px;background:#94a3b82e}.difficulty i.filled{background:var(--blue)}.exercise-body{padding:0 22px 24px;border-top:1px solid rgba(148,163,184,.12)}.source-line{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 0;color:var(--muted-2);font-size:.78rem}.source-line a{color:#93c5fd;text-decoration:none;font-weight:700}.idea-box{padding:17px;border:1px solid rgba(96,165,250,.18);border-radius:14px;background:#2563eb12}.idea-box span{color:#93c5fd;font-size:.7rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}.idea-box p{margin:7px 0 0;color:#cad6e4;line-height:1.62}.code-shell{overflow:hidden;margin-top:18px;border:1px solid rgba(148,163,184,.18);border-radius:15px;background:#040a13}.code-toolbar{display:flex;align-items:center;justify-content:space-between;padding:10px 13px;border-bottom:1px solid rgba(148,163,184,.13);background:#0b1423;color:var(--muted-2);font-size:.72rem;font-weight:750}.code-toolbar button{padding:5px 9px;border:1px solid rgba(148,163,184,.18);border-radius:7px;background:#94a3b812;color:#cbd5e1;cursor:pointer;font-size:.7rem}.code-shell pre{overflow:auto;max-height:590px;margin:0;padding:20px;color:#c8d5e5;-moz-tab-size:4;tab-size:4;font:.82rem/1.65 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.exercise-notes-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}.exercise-notes-grid>div{padding:17px;border:1px solid rgba(148,163,184,.12);border-radius:14px;background:#050d1a4d}.exercise-notes-grid h3{margin:0;font-size:.95rem}.checks-list li:before{background:var(--green)}.pitfalls-list li:before{background:var(--red)}.empty-state{padding:45px 25px;border:1px dashed var(--border-strong);border-radius:18px;text-align:center}.empty-state h3{margin:0}.empty-state p{margin:8px 0 0;color:var(--muted)}.simulator-controls{display:grid;grid-template-columns:minmax(300px,1.2fr) 150px minmax(260px,1fr);gap:16px;align-items:end;padding:19px}.simulator-controls small{color:var(--muted-2)}.preset-buttons{flex-direction:row;flex-wrap:wrap;align-items:center}.preset-buttons>span{flex-basis:100%}.preset-buttons button{min-height:34px;padding:7px 10px;border:1px solid var(--border);border-radius:9px;background:#94a3b80f;color:#cbd5e1;cursor:pointer;font-size:.72rem;font-weight:700}.simulation-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.simulation-card{overflow:hidden;border:1px solid var(--border);border-radius:20px;background:#0d192ecc}.simulation-heading{display:flex;align-items:center;justify-content:space-between;padding:20px}.simulation-heading h2{margin:5px 0 0;font-size:1.55rem}.fault-counter{display:flex;flex-direction:column;align-items:flex-end}.fault-counter strong{color:#fda4af;font-size:1.85rem;line-height:1}.fault-counter span{margin-top:4px;color:var(--muted-2);font-size:.68rem}.simulation-table{min-width:560px}.simulation-table td{color:var(--muted);font-size:.8rem;vertical-align:middle}.frame-row{display:flex;gap:5px}.frame-row span{display:grid;place-items:center;min-width:27px;height:27px;border:1px solid rgba(148,163,184,.17);border-radius:7px;background:#050d1a8c;color:#cbd5e1;font-weight:750}.frame-row span.current{border-color:#60a5fa73;background:#3b82f624;color:#bfdbfe}.hit-chip,.fault-chip{display:inline-flex;padding:4px 7px;border-radius:7px;font-size:.65rem;font-weight:850}.hit-chip{background:#34d3991c;color:#6ee7b7}.fault-chip{background:#fb71851c;color:#fda4af}.recipe-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;padding:27px}.recipe-panel h2{margin:8px 0 0;font-size:1.55rem;letter-spacing:-.035em}.recipe-panel ol{display:flex;flex-direction:column;gap:9px;margin:0;padding-left:22px;color:var(--muted);line-height:1.5}.recent-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.recent-card{display:flex;flex-direction:column;min-height:190px;padding:18px;border:1px solid rgba(148,163,184,.13);border-radius:15px;background:#050d1a57;text-decoration:none;transition:.16s ease}.recent-card:hover{transform:translateY(-2px);border-color:#60a5fa52}.recent-card>span{color:var(--muted-2);font-size:.72rem;font-weight:750}.recent-card>strong{margin:11px 0 7px;line-height:1.4}.recent-card p{margin:3px 0;color:var(--muted);font-size:.82rem;line-height:1.45}.recent-card small{margin-top:auto;padding-top:12px;color:#93c5fd;font-weight:700}.source-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.source-cards article{padding:22px;border:1px solid var(--border);border-radius:17px;background:#0d192eb8}.source-cards h3{margin:13px 0 8px}.source-cards p{margin:0;color:var(--muted);line-height:1.55}.source-cards a{display:inline-block;margin-top:15px;color:#93c5fd;text-decoration:none;font-weight:750}.source-type{display:inline-flex;padding:5px 8px;border-radius:8px;background:#34d3991a;color:#6ee7b7;font-size:.68rem;font-weight:850;letter-spacing:.07em;text-transform:uppercase}.source-type.secondary{background:#60a5fa1a;color:#93c5fd}.source-type.caution{background:#fbbf241a;color:#fde68a}.checklist-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.checklist-card{padding:22px;border:1px solid var(--border);border-radius:18px;background:#0d192ebf}.checklist-card h2{margin:0 0 16px;font-size:1.15rem;letter-spacing:-.025em}.checklist-card label{display:flex;gap:11px;align-items:flex-start;padding:10px 0;border-top:1px solid rgba(148,163,184,.1);color:var(--muted);cursor:pointer;line-height:1.45}.checklist-card input{width:17px;height:17px;margin-top:2px;accent-color:var(--green)}.exam-order{padding:27px}.exam-order h2{margin:8px 0 22px;font-size:1.65rem;letter-spacing:-.035em}.exam-order-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.exam-order-steps div{display:flex;flex-direction:column;gap:11px;padding:16px;border:1px solid rgba(148,163,184,.12);border-radius:13px;background:#050d1a4d}.exam-order-steps strong{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:#3b82f621;color:#93c5fd}.exam-order-steps span{color:var(--muted);line-height:1.45}.footer{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:32px max(20px,calc((100vw - 1180px)/2));border-top:1px solid rgba(148,163,184,.12);background:#040a138c}.footer p{margin:5px 0 0;color:var(--muted-2);font-size:.8rem}.footer-links{display:flex;align-items:center;gap:16px}.footer-links a,.footer-links button{padding:0;border:0;background:transparent;color:var(--muted);text-decoration:none;cursor:pointer;font-size:.8rem;font-weight:700}.footer-links a:hover,.footer-links button:hover{color:#93c5fd}@media(max-width:1020px){.nav-link{padding-inline:9px;font-size:.82rem}.hero{grid-template-columns:1fr;gap:30px;min-height:auto;padding-top:75px}.hero-panel{max-width:720px}.forecast-grid,.exercise-preview-grid,.recent-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.forecast-grid .forecast-card:last-child{grid-column:1 / -1}.filters{grid-template-columns:1fr .45fr .7fr}.toggle-label{grid-column:1 / -1}.simulation-grid{grid-template-columns:1fr}.exam-order-steps{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:780px){.page-width{width:min(100% - 26px,1180px)}.topbar{min-height:68px;padding-inline:14px}.menu-button{display:inline-flex}.nav{position:absolute;top:66px;left:12px;right:12px;display:none;flex-direction:column;align-items:stretch;gap:3px;padding:10px;border:1px solid var(--border);border-radius:15px;background:#07101ffa;box-shadow:var(--shadow)}.nav-open{display:flex}.nav-link{text-align:left}.hero{padding-top:56px}.hero-copy h1{font-size:clamp(2.45rem,12vw,4.1rem)}.section-header{align-items:flex-start;flex-direction:column}.forecast-grid,.exercise-preview-grid,.logic-grid,.pattern-grid,.source-cards,.checklist-grid,.recent-grid{grid-template-columns:1fr}.forecast-grid .forecast-card:last-child{grid-column:auto}.two-column-callout,.derivation-panel,.recipe-panel{grid-template-columns:1fr}.ranking-head{display:none}.ranking-row{grid-template-columns:52px 1fr}.ranking-row>span:nth-child(3),.ranking-row>span:nth-child(4){grid-column:2}.filters,.simulator-controls{grid-template-columns:1fr}.toggle-label{grid-column:auto}.exercise-card summary{grid-template-columns:1fr}.exercise-summary-side{flex-direction:row;align-items:center;justify-content:space-between}.exercise-notes-grid{grid-template-columns:1fr}.source-line{align-items:flex-start;flex-direction:column}.exam-order-steps{grid-template-columns:1fr}.footer{align-items:flex-start;flex-direction:column}}@media(max-width:520px){.page-stack{padding-top:38px}.section-block{padding-top:58px}.brand small{display:none}.hero-actions .button{width:100%}.hero-panel,.section-panel,.pattern-group,.two-column-callout,.derivation-panel,.recipe-panel,.exam-order{padding:19px}.priority-row{grid-template-columns:44px 1fr}.pattern-line{grid-template-columns:1fr;gap:5px}.exercise-card summary,.exercise-body{padding-left:16px;padding-right:16px}.code-shell pre{padding:15px;font-size:.75rem}}